From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24926 invoked by alias); 9 Dec 2007 13:07:54 -0000 Received: (qmail 24905 invoked by uid 22791); 9 Dec 2007 13:07:52 -0000 X-Spam-Check-By: sourceware.org Received: from pfepc.post.tele.dk (HELO pfepc.post.tele.dk) (195.41.46.237) by sourceware.org (qpsmtpd/0.31) with ESMTP; Sun, 09 Dec 2007 13:07:46 +0000 Received: from x1-6-00-0f-9f-c6-3e-90 (unknown [80.197.1.215]) by pfepc.post.tele.dk (Postfix) with ESMTP id 5C77B8A001F; Sun, 9 Dec 2007 14:07:42 +0100 (CET) Received: from x1-6-00-0f-9f-c6-3e-90 (localhost.localdomain [127.0.0.1]) by x1-6-00-0f-9f-c6-3e-90 (8.14.0/8.14.0) with ESMTP id lB9D7f2Q017059; Sun, 9 Dec 2007 14:07:41 +0100 Received: (from rask@localhost) by x1-6-00-0f-9f-c6-3e-90 (8.14.0/8.14.0/Submit) id lB9D7fDo017058; Sun, 9 Dec 2007 14:07:41 +0100 Date: Sun, 09 Dec 2007 14:28:00 -0000 From: Rask Ingemann Lambertsen To: "Balaji V. Iyer" Cc: gcc@gcc.gnu.org, openrisc@opencores.org Subject: Re: Help with another constraint Message-ID: <20071209130740.GI17368@sygehus.dk> References: <000c01c83a41$4499e240$33160e98@ece.ncsu.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000c01c83a41$4499e240$33160e98@ece.ncsu.edu> User-Agent: Mutt/1.5.14 (2007-02-12) Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2007-12/txt/msg00296.txt.bz2 On Sun, Dec 09, 2007 at 03:55:36AM -0500, Balaji V. Iyer wrote: > Hello Everyone, > I am trying to partition register files in GCC port of Opencores > (OPENRISC 1000). It is currently failing the following constraint in > negdi2 > > (insn 15 13 16 (set (mem:SI (plus:SI (reg/f:SI 2 r2) ^^^ > (const_int -28 [0xffffffe4])) [0 D.1256+0 S4 A32]) > (neg:SI (reg:SI 3 r3 [orig:80 D.1255 ] [80]))) 38 {negsi2} (nil) > (nil)) > ../../gcc-4.0.2/gcc/libgcc2.c:72: internal compiler error: in > final_scan_insn, at final.c:2439 > Please submit a full bug report, +(define_insn "negsi2" + [(set (match_operand:SI 0 "register_operand" "=r") ^^^^^^^^^^^^^^^^ + (neg:SI (match_operand:SI 1 "register_operand" "r")))] + "" + "l.sub \t%0,r0,%1" + [(set_attr "type" "add") + (set_attr "length" "1")]) How did that happen? Look at the dump files. Btw, what is the error message above the insn dump? -- Rask Ingemann Lambertsen Danish law requires addresses in e-mail to be logged and stored for a year